SdFat

### - r -

- rdstate() : ios
- read() : FatCache , FatFile , File , MinimumSerial
- readBlock() : BaseBlockDriver , SdioCard , SdioCardEX , SdSpiCard , SdSpiCardEX
- readBlocks() : BaseBlockDriver , SdioCard , SdioCardEX , SdSpiCard , SdSpiCardEX
- readCID() : SdioCard , SdSpiCard
- readCSD() : SdioCard , SdSpiCard
- readData() : SdioCard , SdSpiCard
- readDir() : FatFile
- readline() : ArduinoInStream
- readOCR() : SdioCard , SdSpiCard
- readStart() : SdioCard , SdSpiCard
- readStatus() : SdSpiCard
- readStop() : SdioCard , SdSpiCard
- remove() : FatFile , FatFileSystem
- rename() : FatFile , FatFileSystem
- rewind() : FatFile , StdioStream
- rewindDirectory() : File
- rmdir() : FatFile , FatFileSystem
- rmRfStar() : FatFile
- rootDirEntryCount() : FatVolume
- rootDirStart() : FatVolume